TRIUMPH PART NUMBERS.
ORIGINAL TRIUMPH PRE-UNIT ROCKER BOX TO CYL HEAD STUD 1/4"x 15/16" 70-1540 X 4
Triumph Unit 650 T120 TR6 Gearbox Cover 57-3753 4
2 x Primary Cover Gaskets - Triumph Unit 650/750, 1963-73, T120, T140, etc
2 x Primary Cover Gaskets - Triumph Unit 750, TR7, T140, etc 1974-85
2 x Gearbox Outer Cover Gasket - Triumph Unit 750, TR7, T140, etc 1963-85
2 x Timing Cover Gaskets - Triumph Unit 650/750 TR6, T120, T140, etc
